1、

ebullating bed hydrocracking technology could be used to upgrade heavy residue for improving the light products yield of a refinery.

渣油沸腾床加氢裂化是实现劣质渣油深度加工的工艺技术,有利于提高炼油厂的轻质油收率。

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2、

Effects of using sediment of Suzhou River in Shanghai on growth and heavy metals residue in rice, wheat, spinach, celery, Chinese cabbage and potato were studied by the methods of pot and field test.

采用盆栽与田间试验,研究了苏州河底泥对水稻、小麦、菠菜、芹菜、青菜和土豆等生长发育和重金属残留的影响。

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3、

The contents were in compliance with USP27/ NF22, which included identification, loss on drying, residue on ignition, heavy metals, free acid and content of acetyl.

内容基本依照美国药典(USP27/NF22)CA项,包括鉴别、干燥失重、炽灼残渣、重金属、游离酸、乙酰化率。

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4、

Field Experimental Study on the Residue of Heavy Metal in Wheat Crop

重金属在小麦作物体中残留特征的田间试验研究

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5、

It shows that this industry plot of soil really exists the heavy metals pollution and the heavy metals Cr particularly supers mark severely, which has something to do with the long-term pilling-up waste residue that contains Cr and letting out wastewater that contains Cr.

说明该工业用地土壤确实存在重金属污染,尤其是重金属Cr超标严重,这与该地块长期堆放含铬浸出渣和排放含铬废水有关。

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6、

Compared with other studies, residue levels of heavy metals in night heron in Wuxi were not harmful.

同其它类似研究结果相比,该地区夜鹭体内的重金属污染水平尚未达到明显的致害浓度。

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7、

Pitch resin was synthesized from benzaldehyde and heavy oil residue.

利用纯芳烃原料和重质渣油研制的沥青树脂具有优良的耐热性.

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8、

Study on Coke Generating Mechanism of Vacuum Residue Heavy Resin in Thermal Reaction

减压渣油重胶质热反应生焦机理的研究

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9、

Basic Research on the Phase Separation Behavior of Residue Blended with Cracked Heavy Oil

渣油掺炼裂解重油混合相分离行为的研究

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